Ceiling mounted circulation unit



FIG. 1 is a front bottom perspective view of a ceiling mounted circulation unit showing my new design, the rear bottom perspective, right side bottom perspective, and left side bottom perspective views being identical thereto;

FIG. 2 is a front view thereof, the rear, right side, and left side views being identical thereto; and,

FIG. 3 is a front top perspective view thereof; the rear top perspective, right side top perspective, and left side top perspective views being identical thereto.

The broken lines depicting portions of the ceiling mounted circulation unit form no part of the claimed design. 

CLAIM The ornamental design for a ceiling mounted circulation unit, as shown and described. 